/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraComponent.h
Sets a Niagara Position parameter by name, overriding locally if necessary.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=Niagara, Meta=(DisplayName="Set Niagara Variable By String (Position)", Keywords="user parameter variable vector position lwc")) void SetNiagaraVariablePosition ( const [FString](API\Runtime\Core\Containers\FString) & InVariableName, FVector InValue )